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Thread: HOWTO set up Juniper Network Connect VPN on Ubuntu Dapper

  1. #221
    Join Date
    Aug 2008
    Beans
    1

    Re: HOWTO set up Juniper Network Connect VPN on Ubuntu Dapper

    Hello, I first want to thank mad scientist for his tutorial on Juniper. I think i have it installed correctly but im kind of a noob to ubuntu. here is a copy of my error (with my vpn link removed of course) Any thoughts on this error would be appreciated.
    Thanks in Advance

    Jason

    ************************************error********* ************************

    Connecting to XXX.XXXXXXXX.com port 443
    Generating Certificate .... done.
    Exception in thread "AWT-EventQueue-0" java.lang.ExceptionInInitializerError
    at NC$3.run(NC.java:1282)
    at java.awt.event.InvocationEvent.dispatch(Invocation Event.java:209)
    at java.awt.EventQueue.dispatchEvent(EventQueue.java: 597)
    at java.awt.EventDispatchThread.pumpOneEventForFilter s(EventDispatchThread.java:273)
    at java.awt.EventDispatchThread.pumpEventsForFilter(E ventDispatchThread.java:183)
    at java.awt.EventDispatchThread.pumpEventsForHierarch y(EventDispatchThread.java:173)
    at java.awt.EventDispatchThread.pumpEvents(EventDispa tchThread.java:168)
    at java.awt.EventDispatchThread.pumpEvents(EventDispa tchThread.java:160)
    at java.awt.EventDispatchThread.run(EventDispatchThre ad.java:121)
    Caused by: java.lang.ArrayIndexOutOfBoundsException: 3
    at JavaNC.<clinit>(NC.java:443)
    ... 9 more

  2. #222
    Join Date
    Jan 2007
    Beans
    6

    Re: HOWTO set up Juniper Network Connect VPN on Ubuntu Dapper

    Quote Originally Posted by gfa View Post
    Hi mad-scientist... thanks for that great script, unfortunattely, I have a problem with my Juniper connection, I think because my company's server hasn't a valid certificate (every time a connect with Fx get a warning about it).

    If I run your script from CLI, get these warnings

    Code:
    $ ./junipernc 
    Searching for ncsvc in current working directory
    Searching for ncsvc in /home/gfa/.juniper_networks/network_connect done.
    ncapp> Failed to connect/authenticate with IVE. Error 2
    ncapp> Please check the ive hostname/ip and the ive certificate.
    In the Juniper GUI, I can see an error about "Failed to connect with IVE", after closing both windows (dialog and main juniper window), got a question about restarting the VPN connection.

    From Fx I have no problem connecting to my VPN (just the shell asking for root password every time).

    Is there any way to disable the certificate validation?

    Any help would be appreciated.

    Thanks
    gFa
    I'm having the exact same issue here in Ubuntu Feisty.
    Is there really no solution yet?

  3. #223
    Join Date
    Sep 2008
    Beans
    1

    Re: HOWTO set up Juniper Network Connect VPN on Ubuntu Dapper

    I am trying to get this going on Hardy and have had no luck so far.

    I am running into the issue below. Is it not finding the libncui.so file located in the active directory?

    $ ./junipernc
    Failed to load the ncui library.
    Quitting.

    Im on 64bit Hardy
    Last edited by mmartin; September 27th, 2008 at 03:36 PM. Reason: I failed to mention that Im on 64bit Hardy

  4. #224
    Join Date
    Oct 2008
    Beans
    2

    Ubuntu Hardy 32 bits Hangs on scp

    Hi all. Mad Scientist, thank you for your page an tutorials on the matter.
    I've followed all the steps and now I am connecting successfully using Juniper 1.2.

    The problem I'm facing now is every time a try to download or upload a file using scp, the connection stalls and become useless.

    Something more or less as described in previous posts, but for network problems. My connection remains correctly for hours, always same problem: once I use scp (I even tried gftp and is the same) the connection is broken.

    Have any of you experienced this problem? Can you use scp without problems?

    I'm using ubuntu Hardy Heron 8.04 on a 32 bits DELL laptop.


    Thanks.

  5. #225
    Join Date
    Jun 2006
    Location
    Lexington, MA
    Beans
    183
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: HOWTO set up Juniper Network Connect VPN on Ubuntu Dapper

    Quote Originally Posted by mmartin View Post
    I am trying to get this going on Hardy and have had no luck so far.

    $ ./junipernc
    Failed to load the ncui library.
    Quitting.

    Im on 64bit Hardy
    I've never tried this on 64bit. Have you installed the 32bit compatibility packages?
    "Please remain calm...I may be mad, but I am a professional." --Mad Scientist

  6. #226
    Join Date
    Jun 2006
    Location
    Lexington, MA
    Beans
    183
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Ubuntu Hardy 32 bits Hangs on scp

    Quote Originally Posted by hugoprado View Post
    The problem I'm facing now is every time a try to download or upload a file using scp, the connection stalls and become useless.
    Very odd. I've never had any problems using scp over the network link. Having it bring the link down is extremely strange: from a network protocol perspective it's just bytes; why those particular bytes should cause a problem I have no idea.

    I wonder if there's some way that your server is trying to block scp?

    If you do the copy with ssh, does it work then? Try something like:

    Code:
    tar cf - mydir | ssh remotehost tar -xBp -C /tmp -f -
    and see if that works.
    "Please remain calm...I may be mad, but I am a professional." --Mad Scientist

  7. #227
    Join Date
    Oct 2008
    Beans
    2

    Scp problem

    Hi mad scientist.
    I've tried what you recommend, but the same results.
    Apparently, my problem is unrelated to juniper.
    Instead, it has to do with my wireless device and the drivers i have.

    I have a Studio Laptop Dell - S1535. When i installed Hardy, it didn't detect wireless device, but on making an update, it worked fine. The problem is it installed the 'wl' driver, which is a restricted driver.

    I'm reading this thread in case someone has the same problem

    https://bugs.launchpad.net/ubuntu/+s...sh/+bug/237894

    I'm posting here again in case i solve the problem.

  8. #228
    Join Date
    Jul 2006
    Location
    Denver
    Beans
    41
    Distro
    Kubuntu 10.04 Lucid Lynx

    Re: HOWTO set up Juniper Network Connect VPN on Ubuntu Dapper

    Hi,

    Has anyone tried Juniper in 8.10? I followed instructions on madscientist web page and successfully ran it in 8.04. I did a fresh install of 8.10 and the scripts is working fine and I do see the Network connect java connection start but I get a popup of " Cannot find required libraries." I ran the script in a terminal and see this

    " Searching for ncsvc in current working directory
    Searching for ncsvc in /home/marn/.juniper_networks/network_connect done.
    ncapp> DSSSL_load_so failed "

    which looks like same issues on the 64bit version in the previous posts, although I am running the 32bit version. Any help is greatly appreciated.

    Kas

  9. #229
    Join Date
    Jun 2006
    Location
    Lexington, MA
    Beans
    183
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: HOWTO set up Juniper Network Connect VPN on Ubuntu Dapper

    I haven't tried 8.10 and I'm not sure when I will. It turns out that my system at home (an older box) has an nVidia GeForce 5500 FX, which is considered obsolete by nVidia and not supported by their new 3D drivers. So, my choices are (a) get a new video card that has supported drivers, (b) fall back to 2D mode and use the free nv driver, or (c) stay with Hardy until or unless something changes somewhere.

    I haven't decided what to choose yet
    "Please remain calm...I may be mad, but I am a professional." --Mad Scientist

  10. #230
    Join Date
    Nov 2008
    Location
    Norway
    Beans
    1
    Distro
    Ubuntu 8.10 Intrepid Ibex

    Re: HOWTO set up Juniper Network Connect VPN on Ubuntu Dapper

    Hi

    I am running 64 bit Ubuntu 8.10, and I got the same problem "loading ncui library".

    I got it working by running
    "sudo update-java-alternatives -s ia32-java-6-sun"

    So I think the problem is that 64 bit java is not working for the juniper network connect, you need to use 32 bit java.

    Anyway, thanks a lot for the script mad-scientist, I finally got vpn working with your script.

    Regards
    Alf

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